Book cover or similar article



FIG. 1 is a perspective view of a book cover or similar article showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a left side elevational view;

FIG. 4 is a right side elevational view; and

FIG. 5 is a bottom plan view. 

The ornamental design for a book cover or similar article, substantially as shown. 